/* ==========================================================================
   hello-sender — layout: shell, header, login, operator, admin (direction A «Строгий»).
   Black header in both themes, dense two-column operator screen.
   ========================================================================== */
/* ── Header ───────────────────────────────────────────────────────────── */
.app-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: var(--header-bg); color: var(--header-text);
}
.app-header__inner {
  max-width: var(--container-admin); margin: 0 auto; height: 60px; padding: 0 var(--space-6);
  display: flex; align-items: center; gap: var(--space-6);
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; flex: none; }
.brand__mark {
  width: 32px; height: 32px; border-radius: var(--radius-md); display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent); font-weight: 800; font-size: 15px; letter-spacing: -0.02em;
}
.brand__name { font-weight: var(--weight-bold); font-size: var(--text-md); letter-spacing: -0.01em; }
.brand__logo { height: 32px; width: auto; display: block; }
.brand__logo--dark { display: none; }
[data-theme="dark"] .brand__logo--light.has-dark { display: none; }
[data-theme="dark"] .brand__logo--dark { display: block; }
.nav { display: flex; gap: var(--space-1); flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav a {
  display: inline-flex; align-items: center; height: 36px; padding: 0 var(--space-3);
  border-radius: var(--radius-md); color: var(--header-text); text-decoration: none; font-weight: var(--weight-medium); white-space: nowrap;
}
.nav a:hover { background: color-mix(in srgb, var(--header-text) 12%, transparent); }
.nav a[aria-current="page"] { background: var(--accent); color: var(--on-accent); font-weight: var(--weight-bold); }
.header-right { display: flex; align-items: center; gap: var(--space-3); flex: none; }
.who { display: grid; text-align: right; line-height: 1.15; }
.who__name { font-weight: var(--weight-semibold); font-size: var(--text-sm); }
.who__role { font-size: var(--text-xs); color: var(--header-muted); }
.app-header .btn--ghost { --btn-fg: var(--header-text); }
.app-header .btn--ghost:hover { --btn-bg: color-mix(in srgb, var(--header-text) 12%, transparent); }
.app-header .theme-toggle { border-color: color-mix(in srgb, var(--header-text) 35%, transparent); }
.env-note { font-size: var(--text-xs); text-align: center; padding: 6px var(--space-4); background: var(--warning-bg); color: var(--warning-on); font-weight: var(--weight-semibold); }
/* ── Page containers ──────────────────────────────────────────────────── */
.page { max-width: var(--container-admin); margin: 0 auto; padding: var(--space-8) var(--space-6) var(--space-16); display: grid; gap: var(--section-gap); }
/* grid items default to min-width:auto — without this a wide input or table widens the whole page */
.page > *, .stack > *, .admin-grid > *, .op > * { min-width: 0; }
.page--operator { max-width: var(--container-operator); }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.page-title { font-size: var(--text-2xl); letter-spacing: -0.02em; }
.page-title { font-size: var(--text-xl); }
.breadcrumbs { font-size: var(--text-sm); color: var(--text-muted); display: flex; gap: var(--space-2); }
.breadcrumbs a { color: var(--text-muted); }
/* ── Login ────────────────────────────────────────────────────────────── */
.login { min-height: 100vh; display: grid; place-items: center; padding: var(--space-6); }
.login { padding: 0; place-items: stretch; }
.login__panel { width: min(420px, 100%); display: grid; gap: var(--space-6); }
.login__wrap { min-height: 100vh; display: grid; grid-template-columns: minmax(340px, 38%) 1fr; }
.login__aside { background: var(--header-bg); color: var(--header-text); display: grid; gap: var(--space-4); align-content: center; padding: var(--space-12) clamp(var(--space-8), 6vw, 96px); }
.login__aside h1 { font-size: 34px; letter-spacing: -0.03em; }
.login__aside p { color: var(--header-muted); max-width: 34ch; }
.login__panel { align-self: center; justify-self: center; margin: var(--space-8); background: var(--surface); padding: var(--space-8); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.login__foot { font-size: var(--text-sm); color: var(--text-muted); text-align: center; }
.login__corner .theme-toggle, .login .theme-toggle { --header-text: var(--text); --header-muted: var(--border-strong); }
.login__corner { position: fixed; top: var(--space-4); right: var(--space-4); }
@media (max-width: 760px) {
  .login { padding: var(--space-6); place-items: center; }
  .login__wrap { min-height: 0; grid-template-columns: 1fr; gap: var(--space-6); width: min(420px, 100%); }
  .login__aside { background: none; color: var(--text); padding: 0; }
  .login__panel { margin: 0; }
  .login__aside p { color: var(--text-muted); }
}
/* ── Operator screen ──────────────────────────────────────────────────── */
/* Left: phone + «Проверить»; right: two channel rows. The form card spans both rows and stretches,
   so the top and bottom edges of both columns always line up. */
.op { display: grid; grid-template-columns: 380px minmax(0, 1fr); grid-template-rows: auto auto; gap: var(--space-3) var(--space-6); align-items: stretch; }
.op__form { grid-row: 1 / span 2; display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-4); margin: 0; }
.op__channels { display: contents; }
.channel {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: var(--space-4);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5); min-height: 104px;
  transition: border-color var(--motion-base) var(--ease-standard), background var(--motion-base);
}
.channel__icon { width: 44px; height: 44px; border-radius: var(--radius-md); display: block; object-fit: contain; }
.channel__icon--sm { width: 36px; height: 36px; }
.channel__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.channel__name { font-size: var(--text-lg); font-weight: var(--weight-bold); }
.channel__status { font-size: var(--text-md); font-weight: var(--weight-semibold); min-height: 0; }
.channel__status:empty { display: none; }
.channel__details { font-size: var(--text-sm); color: var(--text-muted); }
.channel__body { display: grid; gap: var(--space-1); align-content: center; min-width: 0; }
.channel.is-found { border-color: var(--success-text); box-shadow: inset 3px 0 0 var(--success-text); }
.channel.is-missing .channel__status { color: var(--text-muted); }
.channel__action .btn { min-width: 150px; }
@media (max-width: 900px) {
  .op { grid-template-columns: minmax(0, 1fr); }
  .op__form { grid-row: auto; }
}

/* Admin on the check screen: on whose behalf the message goes — large and unambiguous. */
.sender {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4);
  background: var(--inverse-bg); color: var(--inverse-text); border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5); box-shadow: inset 6px 0 0 var(--accent);
}
.sender__who { display: grid; gap: 2px; padding-left: var(--space-2); }
.sender__label { font-size: var(--text-sm); opacity: .8; }
.sender__name { font-size: var(--text-2xl); font-weight: var(--weight-bold); letter-spacing: -0.02em; }
.sender__pick { display: grid; gap: var(--space-1); min-width: 240px; }
.sender__pick .field__label { color: inherit; opacity: .8; }
.sender .select__trigger, .sender .select__list { color: var(--text); }  /* the list sits on --surface, not on the inverse block */

/* ── Reveal from blur ─────────────────────────────────────────────────── */
/* Text split into .blur-char spans by ui.js (hsBlur). Only filter and opacity are animated;
   nothing runs when no class is set, so an idle page costs nothing. */
.blur-word { display: inline-block; white-space: nowrap; }
.blur-char { display: inline-block; white-space: pre; }
@keyframes hs-blur-pass {
  0%, 100% { filter: blur(0); opacity: 1; }
  35% { filter: blur(var(--blur-max, 4px)); opacity: .3; color: var(--blur-tint, currentColor); }
}
@keyframes hs-blur-in {
  0% { filter: blur(8px); opacity: 0; }
  100% { filter: blur(0); opacity: 1; }
}
@keyframes hs-calm { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
/* one pass of the blurred band (brand): ~30 ms per character */
.is-blur-pass .blur-char { animation: hs-blur-pass 640ms var(--ease-standard) both; animation-delay: calc(var(--i) * 32ms); }
/* loop while a request is pending: the band crosses the text in 1 s, then a short pause */
.is-blur-loop .blur-char { animation: hs-blur-pass 1400ms ease-in-out infinite both; animation-delay: calc(var(--i) * 1000ms / var(--n, 10)); }
/* result appears from blur */
.is-blur-in .blur-char { animation: hs-blur-in 480ms var(--ease-standard) both; animation-delay: calc(var(--i) * 14ms); }
.badge.is-blur-in { animation: hs-blur-in 420ms var(--ease-standard) both; }
.app-header, .login__aside, .sender { --blur-tint: var(--accent); }  /* yellow glow only on the black surfaces */
.btn--primary { --blur-tint: currentColor; }
@media (prefers-reduced-motion: reduce) {
  .is-blur-pass .blur-char, .is-blur-in .blur-char, .badge.is-blur-in, .is-blur-loop .blur-char { animation: none; }
  /* calm indicator instead of the moving band: the pending text slowly fades in and out */
  .is-blur-loop { animation: hs-calm 1.6s ease-in-out infinite; }
}

/* Logo: the same band as a mask sweep — a blurred copy shows only inside the moving band,
   the sharp logo is masked out there. */
.brand__logo-wrap { position: relative; display: inline-grid; }
.brand__logo-wrap > * { grid-area: 1 / 1; }
.brand__logo-wrap::after { content: none; }
.brand__logo-wrap .brand__logo--blur { filter: blur(3px); opacity: 0; pointer-events: none; }
.brand__logo-wrap.is-sweep .brand__logo:not(.brand__logo--blur) {
  -webkit-mask-image: linear-gradient(90deg, #000 0 40%, transparent 46% 54%, #000 60% 100%);
          mask-image: linear-gradient(90deg, #000 0 40%, transparent 46% 54%, #000 60% 100%);
  -webkit-mask-size: 300% 100%; mask-size: 300% 100%;
  animation: hs-sweep 1200ms var(--ease-standard) both;
}
.brand__logo-wrap.is-sweep .brand__logo--blur {
  opacity: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent 0 40%, #000 46% 54%, transparent 60% 100%);
          mask-image: linear-gradient(90deg, transparent 0 40%, #000 46% 54%, transparent 60% 100%);
  -webkit-mask-size: 300% 100%; mask-size: 300% 100%;
  animation: hs-sweep 1200ms var(--ease-standard) both;
}
@keyframes hs-sweep { from { -webkit-mask-position: 100% 0; mask-position: 100% 0; } to { -webkit-mask-position: 0 0; mask-position: 0 0; } }
@media (prefers-reduced-motion: reduce) { .brand__logo-wrap.is-sweep * { animation: none; -webkit-mask-image: none; mask-image: none; } .brand__logo--blur { display: none; } }

@media (max-width: 640px) {
  .app-header__inner { padding: 0 var(--space-4); gap: var(--space-3); }
  .who, .brand__text { display: none; }
  .page { padding: var(--space-5) var(--space-4) var(--space-12); }
  .toolbar .input-group, .toolbar .select { width: 100%; min-width: 0 !important; }
  .channel { grid-template-columns: 40px minmax(0, 1fr); min-height: 0; }
  .channel__icon { width: 40px; height: 40px; }
  .channel__action { grid-column: 1 / -1; }
  .channel__action .btn { width: 100%; }
  .input--phone { font-size: 24px; }
  .sender__name { font-size: var(--text-xl); }
  .sender__pick { min-width: 0; width: 100%; }
}
@media (max-width: 900px) {
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-grid, .admin-grid--3 { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
}

/* ── Admin ────────────────────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; position: relative; } /* keeps .sr-only cells inside the scroll box */
.toolbar { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.toolbar .input-group { width: 280px; }
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-4) var(--space-5); display: grid; gap: var(--space-1); }
.stat__value { font-size: var(--text-2xl); font-weight: var(--weight-bold); letter-spacing: -0.02em; }
.stat__label { font-size: var(--text-sm); color: var(--text-muted); }
.stat.is-attention { box-shadow: inset 0 4px 0 var(--accent); }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--section-gap); align-items: stretch; }
.admin-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.secret-list { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.secret-list li { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); font-size: var(--text-sm); }
.danger-zone { border-color: var(--danger-text) !important; }
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border); }
.tabs a { padding: var(--space-3) var(--space-4); text-decoration: none; color: var(--text-muted); font-weight: var(--weight-semibold); border-bottom: 3px solid transparent; margin-bottom: -1px; }
.tabs a[aria-current="page"] { color: var(--text); border-bottom-color: var(--text); }
.brand-preview { display: grid; gap: var(--space-2); }
.brand-preview__bar { height: 56px; display: flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-4); border-radius: var(--radius-md); background: var(--header-bg); color: var(--header-text); }
.brand-preview__bar .brand__logo { height: 32px; width: auto; }
.brand-preview__label { margin-left: auto; font-size: var(--text-xs); color: var(--header-muted); }
.favicons { display: flex; gap: var(--space-4); align-items: end; flex-wrap: wrap; }
.favicons form { margin-left: auto; }
.favicon { display: grid; gap: var(--space-1); justify-items: center; font-size: var(--text-xs); color: var(--text-muted); }
.icon-slot { display: grid; gap: var(--space-3); }
.icon-slot + .icon-slot { padding-top: var(--space-4); border-top: 1px solid var(--border); }
.upload { display: grid; gap: var(--space-2); }
.file-chip form { margin-left: auto; }
.file-chip__thumb--wide { width: auto; min-width: 48px; padding: 0 var(--space-2); background: var(--header-bg); }
.file-chip__thumb--wide img { height: 28px; width: auto; display: block; }

/* ── App utilities ────────────────────────────────────────────────────── */
.skip-link { position: absolute; left: var(--space-4); top: -48px; z-index: calc(var(--z-header) + 1); background: var(--accent); color: var(--on-accent); padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); font-weight: var(--weight-semibold); }
.skip-link:focus { top: var(--space-2); }
.brand__text { display: inline-flex; }
.page--narrow { max-width: 560px; }
.narrow { max-width: 560px; }
.footer { text-align: center; font-size: var(--text-xs); color: var(--text-subtle); padding: 0 var(--space-4) var(--space-8); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.grid-2 > .span-2 { grid-column: 1 / -1; }
.row--nowrap { flex-wrap: nowrap; }
.card--flush { padding: 0; overflow: visible; }
.card--flush .toolbar { padding: var(--space-4) var(--space-5); }
.card__actions { padding-top: var(--space-4); margin-top: var(--space-4); border-top: 1px solid var(--border); }
.card > .kv, .card > .secret-list, .card > .channel__details { margin-bottom: var(--space-4); }
.input--sm { height: var(--control-h-sm); font-size: var(--text-sm); min-width: 180px; }
.btn--danger-text { --btn-fg: var(--danger-text); }
.select--inline { max-width: 200px; }
.table__link { font-weight: var(--weight-semibold); }
.table__action { text-align: right; white-space: nowrap; }
.table--form td { vertical-align: middle; }
.table--form .input, .table--form .textarea { min-width: 220px; }
.table-empty { padding: var(--space-5); text-align: center; }
.switch-btn { display: inline-flex; align-items: center; gap: var(--space-3); background: none; border: 0; padding: var(--space-1); font: inherit; font-weight: var(--weight-semibold); color: var(--text); cursor: pointer; border-radius: var(--radius-md); }
.switch-btn .switch__track { pointer-events: none; }
.switch-btn[aria-checked="true"] .switch__track { background: var(--accent); border-color: var(--text); }
.switch-btn[aria-checked="true"] .switch__track::after { transform: translateX(20px); background: var(--on-accent); }
.steps { display: flex; gap: var(--space-2); list-style: none; margin: 0; padding: 0; counter-reset: step; flex-wrap: wrap; }
.steps li { counter-increment: step; display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); border-radius: var(--radius-pill); background: var(--surface-2); color: var(--text-muted); font-weight: var(--weight-semibold); font-size: var(--text-sm); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border-strong); font-size: var(--text-xs); }
.steps li.is-current { background: var(--accent); color: var(--on-accent); }
.steps li.is-current::before { border-color: var(--on-accent); }
.steps li.is-done { color: var(--text); }
.login__title { font-size: var(--text-xl); }
.login__aside .brand__mark { width: 44px; height: 44px; font-size: 17px; }
.login__aside .brand__name { font-size: 30px; letter-spacing: -0.03em; }
.login__aside .brand { gap: var(--space-4); }
.login__aside .brand__logo { height: 44px; }
.dropzone.is-busy { opacity: .6; pointer-events: none; }
@media (max-width: 760px) {
  .login__aside .brand__name { font-size: 24px; }
  .login__aside .brand__text { display: inline-flex; }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
.input--phone::placeholder { font-family: var(--font-sans); font-size: var(--text-md); letter-spacing: 0; font-weight: var(--weight-regular); }
/* pending request: the button is inactive but keeps its colour so the blurred band stays readable */
.btn.is-busy:disabled { --btn-bg: var(--accent); --btn-fg: var(--on-accent); --btn-border: var(--accent); background: var(--accent); color: var(--on-accent); border-color: var(--accent); opacity: 1; cursor: progress; }
@media (max-width: 640px) {
  .app-header .brand__text { display: none; }  /* the mark alone; the menu keeps its room */
}
.footer__link { color: inherit; text-decoration: none; transition: color 200ms var(--ease-standard), opacity 200ms var(--ease-standard); }
.footer__link:hover { color: var(--text); }
@media (prefers-reduced-motion: reduce) { .footer__link { transition: none; } }
.hint a { color: var(--text); font-weight: var(--weight-semibold); }
.copy-field { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.copy-field__input { flex: 1 1 260px; font-family: var(--font-mono); }
.copy-field__done { font-size: var(--text-sm); color: var(--success-text); min-width: 0; }
/* admin menu has six items: on laptop widths the brand keeps only its mark */
@media (max-width: 1400px) { body[data-role="admin"] .app-header .brand__text { display: none; } }